hf

HF has a pungent odor. It is extremely corrosive.

HF有一种刺激性气味. 它是极强的腐蚀剂.

Fluorine and hydrogen fluoride in a mixed gas, HF -- F _ 2 -- Ar ahd F _ 2 -- HF -- N _ 2, have been determined.

该仪器已用于HF-F_ 2-Ar和HF-F_2-N_2等混合气体中氟和氟化氢的测定.

A New Compensation Method for HF Ground Wave Radar Receiving System

一种新的高频地波雷达接收系统补偿方案

The Research of Digital Communication Technology Over HF

中短波通信数字化技术的研究

Performance Analysis of HF Serial Data Transmission Systems for CW Interference Rejection

HF串行数据传输系统抑制CW干扰的性能分析

Remove victim from source of HF fumes.

把受害人从HF烟雾源转移走.

The biggest increase was on the cheapest model, the CRX-HF. That car had a 1990 base price of $9,145.

涨价最快的是最便宜的车型CRX-HF，那款车1990年的基价是9,145美元。

Reactions in liquid HF are known that illustrate also amphoteric behavior, solvolysis, or complex formation.

已知在液态HF中,也能说明两性行为溶剂分解或络合物形成作用的反应.

Frequency domain: total frequency components ( TF ), low frequency components ( LF ), high frequency components ( HF ).

频域分析: 总频谱成分 ( TF ), 低频成分 ( LF ), 高频成分 ( HF ).

Frequency domain: total frequency components ( TF ), low frequency components ( LF ), frequency components ( HF ).

频域分析: 总频谱成分 ( TF ), 低频成分 ( LF ), 高频成分 ( HF ).

Ocean Surface Current Detection by HF Ground Wave Radar with Portable Antenna System

采用便携式天线的近海海洋表面流探测

A new method for the measurement of the broadband HF antenna gain

短波宽带天线增益测量新方法

Silicon, semiconductor material , can form different configurations at anodic bias etching system in the HF electrolyte.

半导体硅在含HF电解液阳极氧化体系中可以形成不同的腐蚀形态.

Marketing Strategy Research on Electric Power Secondary Equipment of HF Corporation

HF公司电力二次设备营销战略研究

Design and Analysis of Simulation Algorithm of the 3G HF Network Physical Layer

3G短波网络物理层仿真算法设计与分析

After returning to HF-HD for 4 months, all measured parameters returned to their respective baseline alles.

重新恢复到HF-HD四个月后, 所有指标恢复到各自的基线水平.

A New Modulation System for HF Data Transmission

一种新的短波数传调制体制

HF inhaled in high concentrations may cause glottitis ( obstruction of the airway ) and acute pulmonary edema.

吸入高浓度 HF 会导致喉道阻塞和急性肺水肿.

Hardware Implementation of Radio Monitoring Module for HF Ground Wave Radar

高频地波雷达频谱监测模块的硬件实现

Research of Channel Model in Wideband HF Communication System

短波宽带通信系统中信道模型的研究

HF ultimately diffuses down to the troposphere where it is removed by wet deposition.

HF最终扩散到大气中,在大气中它通过湿沉积被除去.

Design of a Novel Automatic Antenna Tuning Coupler in HF Communication

一种新的短波自适应天线调谐器的设计

HF company is a high-tech enterprise specializing in researching, developing, manufacturing and selling relays.

HF公司是一家专业从事继电器研究 、 开发 、 生产和销售的 高新技术 企业.

Measuring and Theoretical Analysis of HF RCS on the Ocean Surface

高频段目标RCS的测试及理论分析

Study on the Cylindrical Continuous Wave HF Chemical High Energy Lasers

环柱型高能连续波HF化学激光器研究

Finally the structures were released in a 49 % HF etch.

最后在49%HF中腐蚀形成这些结构.

A Study and Implementation of HF Serial Modem System

短波串行调制解调器的系统研究及实现

HF ( the strongest acid ) has the weakest conjugate base.

HF 是最强的酸,它有最弱的共轭碱.

The design of HF signal generator and its application in water processing system

高频信号发生器设计及在水处理系统中的应用

We compared on-line hemofiltration to high-flux hemodialysis ( HF-HD ) in patients in a sequential manner.

我们在患者中以连续性方式比较了在线血液滤过和 高通量 血液透析 ( HF-HD ) 的疗效.